Plaque  formation by influenza viruses in monolayers of chicken kidney cells.
D000818:Animals; D002642:Chick Embryo; D003470:Culture Media; D046508:Culture Techniques; D003588:Cytopathogenic Effect, Viral; D008722:Methods; D009975:Orthomyxoviridae / Q000302:isolation & purification*
D003470:Culture Media